21965581

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1163}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 25645248

約数和(自身を除く): 3679667

約数列:

[1, 11, 17, 101, 187, 1111, 1163, 1717, 12793, 18887, 19771, 117463, 217481, 1292093, 1996871, 21965581]

約数ペア:

[(1, 21965581), (11, 1996871), (17, 1292093), (101, 217481), (187, 117463), (1111, 19771), (1163, 18887), (1717, 12793)]